Parser throws syntax error on custom type in quotes in PostgreSQL

[1ilit]

Describe the bug
astify() throws syntax error on custom type in quotes in PostgreSQL

Database Engine
PostgreSQL

To Reproduce
-the SQL that be parsed
This is ok

CREATE TYPE "Gender" AS ENUM ('F', 'M', 'U');

CREATE TABLE "User" (
    "gender" Gender NOT NULL
);

This throws an error

CREATE TYPE "Gender" AS ENUM ('F', 'M', 'U');

CREATE TABLE "User" (
    "gender" "Gender" NOT NULL
);

-the node-sql-parser version
v5.3.0
-the node version
v18.20.3

Expected behavior
Produce ast

Additional context
https://stackblitz.com/edit/stackblitz-starters-9dpxty?file=index.js

[taozhi8833998]

@1ilit fixed